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International Comfort Products H8MPT125J20B1 Limit Switch
The limit switch is a switch in the air handler that can determine when the air is warm enough for the blower to be activated. Limit switches exist due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Major warnings limit switch is dead
- System refuses to kick in nor will it stay running like it is supposed to
- The whole system is starting to initiate and then stops occasionally
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